Mercedes-Benz 300 SL

vs

AC Aceca

Germany vs UK — 1956 vs 1957

Mercedes-Benz 300 SL (1956)
AC Aceca (1957)
Specifications
300 SL RoadsterAceca Bristol
Horsepower215 hp125 hp
Torque203 lb-ft131 lb-ft
Engine Size2,996 cc1,971 cc
0-60 mph8.8 sec9.1 sec
Top Speed140 mph114 mph
¼ Mile16.2 sec
Weight3,130 lbs2,249 lbs
Wheelbase2,400 mm2,438 mm
Length4,520 mm4,318 mm
Units Produced1,858169
Original MSRP$10,970
Value (Excellent)$2,000,000$220,000
Collectibility10/108/10
Rarity9/108/10
The Verdict

This matchup is remarkably close. The 1956 Mercedes-Benz 300 SL Roadster offers more power, quicker acceleration, higher top speed, while the 1957 AC Aceca Bristol counters with lighter weight, greater rarity, better value. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.

Overview

When Germany engineering meets UK craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1956 Mercedes-Benz 300 SL Roadster and 1957 AC Aceca Bristol embody their respective national automotive traditions while competing in the same arena. The 1956 Mercedes-Benz 300 SL Roadster holds a clear advantage in raw power with 215 hp compared to 125 hp, a 90-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mercedes-Benz 300 SL uses a Inline-6 SOHC displacing 2,996 cc, while the AC Aceca relies on a Inline-6 OHV with 1,971 cc. In the sprint to 60 mph, the 1956 Mercedes-Benz 300 SL Roadster edges ahead at 8.8 seconds versus 9.1 seconds. The AC Aceca carries a weight advantage, tipping the scales 881 lbs lighter. Rarity plays a significant role here — with only 169 units built, the 1957 AC Aceca Bristol is considerably scarcer than the Mercedes-Benz 300 SL's 1,858 examples. On the collector market, the 1956 Mercedes-Benz 300 SL Roadster commands a significant premium over the 1957 AC Aceca Bristol, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1956 Mercedes-Benz 300 SL Roadster rates higher among enthusiasts and auction houses.